<template>
  <div id="app">
    <div id="nav"></div>
    <router-view />

    <van-tabbar route active-color="red" class="bottom" v-if="isShow">
      <van-tabbar-item replace to="/home" icon="home-o">首页</van-tabbar-item>
      <van-tabbar-item replace to="/topic" icon="description"
        >专题</van-tabbar-item
      >

      <van-tabbar-item replace to="/category" icon="apps-o"
        >分类</van-tabbar-item
      >
      <van-tabbar-item replace to="/cart" icon="shopping-cart-o"
        >购物车</van-tabbar-item
      >
      <van-tabbar-item replace to="/my" icon="friends-o">我的</van-tabbar-item>
    </van-tabbar>
  </div>
</template>


<script>
export default {
  data() {
    return {
      isShow: true,
    };
  },
  computed: {},
  created() {
    var userInfo = {
      openId: "66",

      nickName: "赵六",

      avatarUrl:
        "https://wx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTIbWFEIJj8IpGeHM7dGic1aTFZALjWcMm9ltWfFiaQfVRYticWBfgGfzXWMt2EkJWiaicPtftHAlWxUibxQ/132",
    };

    var openId = userInfo.openId;

    localStorage.setItem("userInfo", JSON.stringify(userInfo));

    localStorage.setItem("openId", openId);
  },

  watch: {
    $route: function (to, from) {
      console.log(to, from);

      //
      var arr = ["/home", "/topic", "/category", "/cart", "/my"];
      var item = arr.find((ele) => ele == to.path);
      if (item) {
        this.isShow = true;
      } else {
        this.isShow = false;
      }
    },
  },
  mounted() {},
  methods: {},
};
</script>

  
<style lang="scss">
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
}

#nav {
  padding: 2px;

  a {
    font-weight: bold;
    color: #2c3e50;

    &.router-link-exact-active {
      color: #42b983;
    }
  }
}

::v-deep .bottom {
  width: 375px;
}
</style>
